43890229 has 8 divisors (see below), whose sum is σ = 45093312. Its totient is φ = 42695520.

The previous prime is 43890211. The next prime is 43890241. The reversal of 43890229 is 92209834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43890229 - 2⁷ = 43890101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43890289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (5636664).

Almost surely, 2^43890229 is an apocalyptic number.

It is an amenable number.

43890229 is a deficient number, since it is larger than the sum of its proper divisors (1203083).

43890229 is a wasteful number, since it uses less digits than its factorization.

43890229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 43890229 is about 6624.9701131401. The cubic root of 43890229 is about 352.7410058176.

The spelling of 43890229 in words is "forty-three million, eight hundred ninety thousand, two hundred twenty-nine".